.ac.cr domains list

Download structured datasets with verified DNS, RDAP & WHOIS, and technology fields for all .ac.cr domains.
Access a complete list of .ac.cr domains with active DNS records, WHOIS data, IPs, and detected technologies — all verified and updated daily.

Analytics overview of .ac.cr domains in webatla

Access precise and up-to-date information on active domains and websites with the .ac.cr TLD from the comprehensive webatla database.

Active domains

127 active domains

RDAP and WHOIS

127 domains with RDAP and WHOIS records

DNS

127 domains with DNS records

Countries

Domains from 6 countries

New domain registrations

0 last week
0 last month

IP addresses

Includes 114 unique IPs hosting active domains

Average Harmonic Value: 11,163,197.70

A metric that estimates network influence and trust, based on the link structure of domains using .ac.cr TLD

Average PR Value: 0.00000003675

The average PageRank score reflecting the SEO authority of websites with the .ac.cr TLD

Database preview of .ac.cr domains

Preview the top .ac.cr domains
Last updated: 2025-11-30
TLD Domain TLD suffix Country IP address Technologies PR value Harmonic value Detected hosts count DNS last data checked DNS Status DNS records RDAP/WHOIS last data checked RDAP/WHOIS method Domain creation date Domain expiration date Domain last changed Registrar RDAP/WHOIS Record
cr ucr.ac.cr ac.cr Costa Rica (CR) 163.178.83.117 ["Google Analytics"] 0.00000153153 17,666,186.00 938 18/11/2025 1 {"A": ["163.178.83.117"], "MX": [{"ho... 25/09/2025 RDAP {"raw_response": ...
cr tec.ac.cr ac.cr Costa Rica (CR) 201.204.122.4 ["Google Analytics"] 0.00000039308 17,380,052.00 26 19/11/2025 1 {"A": ["201.204.122.4"], "MX": [{"hos... 25/09/2025 RDAP {"raw_response": ...
cr catie.ac.cr ac.cr United States (US) 45.77.187.143 ["NGINX"] 0.00000022861 15,108,222.00 53 19/11/2025 1 {"A": ["45.77.187.143"], "MX": [{"hos... 25/09/2025 RDAP {"raw_response": ...
cr imn.ac.cr ac.cr Costa Rica (CR) 190.113.121.26 ["Google Tag Manager", "Apache HTTP S... 0.00000012705 14,623,795.00 18 19/11/2025 1 {"A": ["190.113.121.26"], "MX": [{"ho... 28/09/2025 RDAP {"raw_response": ...
cr ots.ac.cr ac.cr Costa Rica (CR) 201.197.69.202 ["NGINX"] 0.00000012594 14,730,882.00 8 18/11/2025 1 {"A": ["201.197.69.202"], "MX": [{"ho... 27/09/2025 RDAP {"raw_response": ...
cr ulatina.ac.cr ac.cr Costa Rica (CR) 45.168.196.83 ["Google Tag Manager", "Apache HTTP S... 0.00000010152 17,211,458.00 19 12/11/2025 1 {"A": ["45.168.196.83"], "MX": [{"hos... 24/09/2025 RDAP {"raw_response": ...
cr earth.ac.cr ac.cr United States (US) 20.40.202.11 ["Google Analytics"] 0.00000010143 14,666,884.00 15 18/11/2025 1 {"A": ["20.40.202.11"], "MX": [{"host... 27/09/2025 RDAP {"raw_response": ...
cr acguanacaste.ac.cr ac.cr United States (US) 34.36.112.71 ["Google Tag Manager", "Joomla", "Apa... 0.00000009607 17,321,814.00 7 13/11/2025 1 {"A": ["34.36.112.71"], "MX": [{"host... 25/09/2025 RDAP {"raw_response": ...
cr utn.ac.cr ac.cr Canada (CA) 144.217.241.78 ["Drupal", "NGINX", "PHP"] 0.00000009032 14,179,802.00 25 19/11/2025 1 {"A": ["144.217.241.78"], "MX": [{"ho... 25/09/2025 RDAP {"raw_response": ...
cr uci.ac.cr ac.cr United States (US) 172.67.208.112 ["NGINX"] 0.00000004813 14,592,459.00 15 21/11/2025 1 {"A": ["172.67.208.112", "104.21.15.2... 24/09/2025 RDAP {"raw_response": ...
cr ulacit.ac.cr ac.cr United States (US) 172.67.159.35 ["Cloudflare"] 0.00000003459 14,118,747.00 13 27/11/2025 1 {"A": ["172.67.159.35", "104.21.9.59"... 01/10/2025 RDAP {"raw_response": ...
cr fod.ac.cr ac.cr United States (US) 20.81.190.166 ["Apache HTTP Server", "WordPress", "... 0.00000002987 14,580,233.00 10 29/11/2025 1 {"A": ["20.81.190.166"], "MX": [{"hos... 27/09/2025 RDAP {"raw_response": ...
cr icap.ac.cr ac.cr United States (US) 34.237.181.120 ["WordPress", "NGINX", "Piwik (Matomo... 0.00000002888 13,858,343.00 9 19/11/2025 1 {"A": ["34.237.181.120"], "MX": [{"ho... 27/09/2025 RDAP {"raw_response": ...
cr unibe.ac.cr ac.cr United States (US) 35.215.125.235 ["Google Analytics"] 0.00000002841 13,770,685.00 2 15/11/2025 1 {"A": ["35.215.125.235"], "MX": [{"ho... 25/09/2025 RDAP {"raw_response": ...
cr uh.ac.cr ac.cr United States (US) 20.115.121.162 ["Microsoft IIS"] 0.00000002372 13,555,576.00 3 21/11/2025 1 {"A": ["20.115.121.162"], "MX": [{"ho... 28/09/2025 RDAP {"raw_response": ...
cr revistacienciaysalud.ac.cr ac.cr Costa Rica (CR) 190.7.219.221 ["Google Tag Manager", "Apache HTTP S... 0.00000002321 13,751,952.00 1 12/11/2025 1 {"A": ["190.7.219.221"], "NS": ["adel... 23/09/2025 RDAP {"raw_response": ...
cr uca.ac.cr ac.cr United States (US) 185.230.63.107 ["Apache HTTP Server", "PHP"] 0.00000001938 13,656,751.00 9 19/11/2025 1 {"A": ["185.230.63.107"], "MX": [{"ho... 27/09/2025 RDAP {"raw_response": ...
cr usl.ac.cr ac.cr United States (US) 162.214.73.181 ["Google Tag Manager", "Apache HTTP S... 0.00000001422 13,202,468.00 3 13/11/2025 1 {"A": ["162.214.73.181"], "MX": [{"ho... 26/09/2025 RDAP {"raw_response": ...
cr acl.ac.cr ac.cr Costa Rica (CR) 201.192.160.188 ["ASP.NET", "PHP", "Microsoft IIS"] 0.00000001404 14,423,544.00 1 12/11/2025 1 {"A": ["201.192.160.188"], "MX": [{"h... 25/09/2025 RDAP {"raw_response": ...
cr olcoma.ac.cr ac.cr United States (US) 199.116.77.213 ["Joomla", "Apache HTTP Server", "PHP"] 0.00000001400 12,538,532.00 1 13/11/2025 1 {"A": ["199.116.77.213"], "MX": [{"ho... 27/09/2025 RDAP {"raw_response": ...
cr ulead.ac.cr ac.cr United States (US) 35.171.229.79 ["Google Tag Manager", "Apache HTTP S... 0.00000001355 13,626,458.00 5 18/11/2025 1 {"A": ["35.171.229.79"], "MX": [{"hos... 28/09/2025 RDAP {"raw_response": ...
cr ubl.ac.cr ac.cr Spain (ES) 195.182.205.40 ["Google Tag Manager", "NGINX", "ASP.... 0.00000001331 14,482,487.00 6 25/11/2025 1 {"A": ["195.182.205.40"], "MX": [{"ho... 24/09/2025 RDAP {"raw_response": ...
cr flacso.ac.cr ac.cr United States (US) 190.92.170.164 ["Google Tag Manager", "Joomla", "NGI... 0.00000001328 13,582,572.00 1 13/11/2025 1 {"A": ["190.92.170.164"], "MX": [{"ho... 25/09/2025 RDAP {"raw_response": ...
cr uia.ac.cr ac.cr United States (US) 18.205.100.212 ["Apache HTTP Server"] 0.00000001293 13,539,721.00 11 18/11/2025 1 {"A": ["18.205.100.212"], "MX": [{"ho... 25/09/2025 RDAP {"raw_response": ...
cr admision.ac.cr ac.cr Costa Rica (CR) 163.178.83.17 ["Cloudflare"] 0.00000001245 13,433,948.00 1 17/11/2025 1 {"A": ["163.178.83.17"], "NS": ["domi... 27/09/2025 RDAP {"raw_response": ...

Download full list of .ac.cr domains with tech detailed information

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.ac.cr domains share by technologies

Technology Count Domain Percentage of Technology
Apache HTTP Server 33 18.86
PHP 32 18.29
Google Tag Manager 24 13.71
WordPress 17 9.71
Facebook 12 6.86
NGINX 10 5.71
Google Analytics 8 4.57
Cloudflare 6 3.43
ASP.NET 5 2.86
Microsoft IIS 5 2.86
Drupal 4 2.29
Google reCAPTCHA 4 2.29
LiteSpeed Web Server 4 2.29
Joomla 3 1.71
Piwik (Matomo) 2 1.14
Wix 2 1.14
Pepyaka 1 0.57
Odoo 1 0.57
Plesk 1 0.57
Shopify 1 0.57

.ac.cr domains share by countries

Country Count Domain Percentage of Country
United States (US) 83 65.35
Costa Rica (CR) 37 29.13
Canada (CA) 2 1.57
Germany (DE) 2 1.57
Spain (ES) 2 1.57
Lithuania (LT) 1 0.79

What is .ac.cr TLD

The .ac.cr label is the academic-sector second-level domain within Costa Rica’s country-code top‑level domain, .cr. Although not a standalone TLD, it functions as a dedicated namespace for accredited institutions and research initiatives. As we index .ac.cr domains at scale, we observe consistent use by universities, institutes, scholarly networks, and campus services operating in or tied to Costa Rica. In practice, .ac.cr websites host institutional portals, repositories, journals, conference pages, and student systems, emphasizing authoritative content. This structure signals both academic affiliation and Costa Rican jurisdiction, supporting audience trust and geographic targeting in search. Policies typically emphasize eligibility validation and stable naming to preserve integrity across the zone. Explore webatla’s .ac.cr domain datasets to benchmark this namespace.

History and key features of .ac.cr TLD

Historically, .ac.cr emerged as part of the sectoral subdomain model used by many country-code registries to separate academic identity from commercial or governmental use. Under the .cr framework administered by NIC Costa Rica, policy for .ac.cr prioritizes institutional representation, predictable naming conventions, and continuity over time. From our longitudinal crawls of .ac.cr domains, we see organizations choosing concise, official names that map cleanly to departments, labs, and repositories. Commonly, .ac.cr websites concentrate on research dissemination, library access, and campus services, with infrastructure managed centrally or via delegated IT units. Technical safeguards and eligibility documentation vary by registrar and operator, so applicants should verify current requirements. Explore webatla’s time-series .ac.cr domain datasets to analyze policy effects and adoption.

Why and who choose the .ac.cr domain

Organizations choose .ac.cr to signal academic credibility, Costa Rican affiliation, and clear governance under a recognized national registry. Typical registrants include universities, colleges, research centers, scholarly societies, and government-funded programs with educational mandates. In our scans of .ac.cr domains, naming patterns often mirror official Spanish titles and stable organizational hierarchies, aiding brand continuity. For .ac.cr websites, the benefits are relevance in local search, audience trust for scholarly content, and consistent taxonomy across departments and campuses. Trade‑offs can include eligibility checks, documentation, and slower approvals versus open generic alternatives. International partnerships with a Costa Rica footprint also adopt the namespace for alignment and localization. Explore webatla’s .ac.cr domain datasets to evaluate fit and opportunities.

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